Transport Stats: compare key data on Congo, Republic of the & United States
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- Air transport > Passengers carried: Air passengers carried include both domestic and international aircraft passengers of air carriers registered in the country.
- Airports: Total number of airports. Runways must be useable, but may be unpaved. May not have facilities for refuelling, maintenance, or air traffic control.
- Airports > Per capita: Total number of airports. Runways must be useable, but may be unpaved. May not have facilities for refuelling, maintenance, or air traffic control. Per capita figures expressed per 1 million population.
- Airports > With paved runways > Total: Total number of airports with paved runways (concrete or asphalt surfaces)
- Highways > Total > Per capita: total length of the highway system Per capita figures expressed per 1,000 population.
- Motor vehicles > Per 1,000 people: Motor vehicles include cars, buses, and freight vehicles but do not include two-wheelers. Population refers to midyear population in the year for which data are available."
- Passenger cars > Per 1,000 people: Passenger cars refer to road motor vehicles, other than two-wheelers, intended for the carriage of passengers and designed to seat no more than nine people (including the driver)."
- Ports and terminals: This entry lists major ports and terminals primarily on the basis of the amount of cargo tonnage shipped through the facilities on an annual basis. In some instances, the number of containers handled or ship visits were also considered.
- Rail lines > Total route-km: Rail lines are the length of railway route available for train service, irrespective of the number of parallel tracks."
- Railways > Total > Per capita: This entry states the total route length of the railway network and of its component parts by gauge: broad, dual, narrow, standard, and other. Per capita figures expressed per 1,000 population.
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Road > Motor vehicles per 1000 people:
Motor vehicles per 1000 people.
No date was available from the Wikipedia article, so we used the date of retrieval.
- Road density > Km of road per 100 sq. km of land area: Road density is the ratio of the length of the country's total road network to the country's land area. The road network includes all roads in the country: motorways, highways, main or national roads, secondary or regional roads, and other urban and rural roads."
- Road network length > Km: Length of road network in kilometers in European Union countries.
- Roadways > Unpaved: This entry gives the total length of the road network and includes the length of the paved and unpaved portions.
- Waterways: The total length and individual names of navigable rivers, canals, and other inland bodies of water.
- Roadways > Paved: This entry is derived from Transport > Roadways, which gives the total length of the road network and includes the length of the paved and unpaved portions.
- Air transport > Freight > Million tons per km: Air freight is the volume of freight, express, and diplomatic bags carried on each flight stage (operation of an aircraft from takeoff to its next landing), measured in metric tons times kilometers traveled.
- Railways > Passengers carried > Million passenger-km: Passengers carried by railway are the number of passengers transported by rail times kilometers traveled.
- Highways > Paved > Per capita: total length of the paved parts of the highway system Per capita figures expressed per 1,000 population.
- Roadways > Total: This entry gives the total length of the road network and includes the length of the paved and unpaved portions.
- Pipelines: The lengths and types of pipelines for transporting products like natural gas, crude oil, or petroleum products
- Highways > Paved: total length of the paved parts of the highway system
- Highways > Total: total length of the highway system
- Railways > Total: This entry states the total route length of the railway network and of its component parts by gauge: broad, dual, narrow, standard, and other.
- Roadways > Paved per thousand people: This entry is derived from Transport > Roadways, which gives the total length of the road network and includes the length of the paved and unpaved portions. Figures expressed per thousand people for the same year.
- Airports > With unpaved runways > Total: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces)
- Airports > With unpaved runways > 914 to 1,523 m: This entry is derived from Transport > Airports > With unpaved runways, which gives the total number of airports with unpaved runways (grass, dirt, sand, or gravel surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft.
- Ports and harbors: The major ports and harbors selected on the basis of overall importance to each country. This is determined by evaluating a number of factors (e.g., dollar value of goods handled, gross tonnage, facilities, and military significance).
- Air transport > Passengers carried > Per capita: Air passengers carried include both domestic and international aircraft passengers of air carriers registered in the country. Per capita figures expressed per 1,000 population.
- Roads > Total network > Km: Total road network includes motorways, highways, and main or national roads, secondary or regional roads, and all other roads in a country. A motorway is a road designed and built for motor traffic that separates the traffic flowing in opposite directions."
- Air transport > Freight > Million ton-km: Air freight is the volume of freight, express, and diplomatic bags carried on each flight stage (operation of an aircraft from takeoff to its next landing), measured in metric tons times kilometers traveled."
- Airports > With paved runways > Over 3,047 m: This entry is derived from Transport > Airports > With paved runways, which gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft.
- Airports > Per $ GDP: Total number of airports. Runways must be useable, but may be unpaved. May not have facilities for refuelling, maintenance, or air traffic control. Per $ GDP figures expressed per 1 billion $ gross domestic product.
- Road sector gasoline fuel > Consumption > Kt of oil equivalent: Gasoline is light hydrocarbon oil use in internal combustion engine such as motor vehicles, excluding aircraft."
- Road sector energy > Consumption per capita > Kt of oil equivalent: Road sector energy consumption is the total energy used in the road sector including petroleum products, natural gas, electricity, and combustible renewable and waste."
- Airports > With paved runways > Total > Per capita: Total number of airports with paved runways (concrete or asphalt surfaces) Per capita figures expressed per 1 million population.
- Highways > Unpaved: total length of the unpaved parts of the highway system
- Airports > With paved runways > 1,524 to 2,437 m: This entry is derived from Transport > Airports > With paved runways, which gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft.
- Airports > With paved runways > Over 3,047 m per million people: This entry is derived from Transport > Airports > With paved runways, which gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft. Figures expressed per million people for the same year.
- Gas price > US$ per liter: Fuel prices refer to the pump prices of the most widely sold grade of gasoline. Prices have been converted from the local currency to U.S. dollars.
- Railways > Goods transported > Million ton-km: Goods transported by railway are the volume of goods transported by railway, measured in metric tons times kilometers traveled."
- Pump price for diesel fuel > US$ per liter: Fuel prices refer to the pump prices of the most widely sold grade of diesel fuel. Prices have been converted from the local currency to U.S. dollars.
- Highways > Unpaved > Per capita: total length of the unpaved parts of the highway system Per capita figures expressed per 1,000 population.
- Air transport > Registered carrier departures worldwide: Registered carrier departures worldwide are domestic takeoffs and takeoffs abroad of air carriers registered in the country.
- Road sector gasoline fuel > Consumption per capita > Kt of oil equivalent: Gasoline is light hydrocarbon oil use in internal combustion engine such as motor vehicles, excluding aircraft."
- Road sector energy > Consumption > Kt of oil equivalent: Road sector energy consumption is the total energy used in the road sector including petroleum products, natural gas, electricity, and combustible renewable and waste."
- Railways > Total > Per $ GDP: This entry states the total route length of the railway network and of its component parts by gauge: broad, dual, narrow, standard, and other. Per $ GDP figures expressed per 1 billion $ gross domestic product.
- Airports > With paved runways > 2438 to 3047 m > Per capita: Number of airports with paved runways (concrete or asphalt surfaces), categorised according to the length of the longest runway Per capita figures expressed per 1 million population.
- Airports > With paved runways > Total > Per $ GDP: Total number of airports with paved runways (concrete or asphalt surfaces) Per $ GDP figures expressed per 1 billion $ gross domestic product.
- Airports > With unpaved runways > Under 914 m > Per $ GDP: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Pipelines > All types: The lengths and types of pipelines for transporting products like natural gas, crude oil, or petroleum products"
- Road sector diesel fuel > Consumption per capita > Kt of oil equivalent: Diesel is heavy oils used as a fuel for internal combustion in diesel engines.
- Road sector energy > Consumption > % of total energy > Consumption: Road sector energy consumption is the total energy used in the road sector including petroleum products, natural gas, electricity, and combustible renewable and waste. Total energy consumption is the total country energy consumption."
- Travel > % of all service imports: Travel (% of service imports, BoP) covers goods and services acquired from an economy by travelers for their own use during visits of less than one year in that economy for either business or personal purposes. Services imports refer to economic output of intangible commodities that may be produced, transferred, and consumed at the same time. International transactions in services are defined by the International Monetary Fund's (IMF) Balance of Payments Manual (1993), but definitions may nevertheless vary among reporting economies."
- Pipelines > Total length: Total length of all pipelines
- Pipelines > Total length > Per $ GDP: Total length of all pipelines Per $ GDP figures expressed per 1 billion $ gross domestic product.
- Transport services > % of all service imports: Transport (% of service imports, BoP) covers all transport services (sea, air, land, internal waterway, space, and pipeline) performed by residents of one economy for those of another and involving the carriage of passengers, the movement of goods (freight), rental of carriers with crew, and related support and auxiliary services. Excluded are freight insurance, which is included in insurance services; goods procured in ports by nonresident carriers and repairs of transport equipment, which are included in goods; repairs of railway facilities, harbors, and airfield facilities, which are included in construction services; and rental of carriers without crew, which is included in other services. Services imports refer to economic output of intangible commodities that may be produced, transferred, and consumed at the same time. International transactions in services are defined by the International Monetary Fund's (IMF) Balance of Payments Manual (1993), but definitions may nevertheless vary among reporting economies."
- Airports > With paved runways > 2,438 to 3,047 m per million people: This entry is derived from Transport > Airports > With paved runways, which gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft. Figures expressed per million people for the same year.
- Airports > With unpaved runways > 914 to 1523 m > Per capita: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway Per capita figures expressed per 1 million population.
- Airports > With unpaved runways > 1524 to 2437 m > Per $ GDP: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Liner shipping connectivity index > Maximum value in 2004 = 100: The Liner Shipping Connectivity Index captures how well countries are connected to global shipping networks. It is computed by the United Nations Conference on Trade and Development (UNCTAD) based on five components of the maritime transport sector: number of ships, their container-carrying capacity, maximum vessel size, number of services, and number of companies that deploy container ships in a country's ports. For each component a country's value is divided by the maximum value of each component in 2004, the five components are averaged for each country, and the average is divided by the maximum average for 2004 and multiplied by 100. The index generates a value of 100 for the country with the highest average index in 2004. . The underlying data come from Containerisation International Online."
- Airports > With unpaved runways > 914 to 1,523 m per million people: This entry is derived from Transport > Airports > With unpaved runways, which gives the total number of airports with unpaved runways (grass, dirt, sand, or gravel surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft. Figures expressed per million people for the same year.
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Merchant marine > Registered in other countries:
Merchant marine may be defined as all ships engaged in the carriage of goods; or all commercial vessels (as opposed to all nonmilitary ships), which excludes tugs, fishing vessels, offshore oil rigs, etc. This entry contains information in four fields - total, ships by type, foreign-owned, and registered in other countries.
Total includes the number of ships (1,000 GRT or over), total DWT for those ships, and total GRT for those ships. DWT or dead weight tonnage is the total weight of cargo, plus bunkers, stores, etc., that a ship can carry when immersed to the appropriate load line. GRT or gross register tonnage is a figure obtained by measuring the entire sheltered volume of a ship available for cargo and passengers and converting it to tons on the basis of 100 cubic feet per ton; there is no stable relationship between GRT and DWT.
Ships by type includes a listing of barge carriers, bulk cargo ships, cargo ships, chemical tankers, combination bulk carriers, combination ore/oil carriers, container ships, liquefied gas tankers, livestock carriers, multifunctional large-load carriers, petroleum tankers, passenger ships, passenger/cargo ships, railcar carriers, refrigerated cargo ships, roll-on/roll-off cargo ships, short-sea passenger ships, specialized tankers, and vehicle carriers.
Foreign-owned are ships that fly the flag of one country but belong to owners in another.
Registered in other countries are ships that belong to owners in one country but fly the flag of another. - Airports > With unpaved runways > 1,524 to 2,437 m: This entry is derived from Transport > Airports > With unpaved runways, which gives the total number of airports with unpaved runways (grass, dirt, sand, or gravel surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft.
- Airports > With paved runways > 2,438 to 3,047 m: This entry is derived from Transport > Airports > With paved runways, which gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft.
- Airports > With unpaved runways > 1,524 to 2,437 m per million people: This entry is derived from Transport > Airports > With unpaved runways, which gives the total number of airports with unpaved runways (grass, dirt, sand, or gravel surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft. Figures expressed per million people for the same year.
- Airports > With paved runways > 1,524 to 2,437 m per million people: This entry is derived from Transport > Airports > With paved runways, which gives the total number of airports with paved runways (concrete or asphalt surfaces) by length. For airports with more than one runway, only the longest runway is included according to the following five groups - (1) over 3,047 m (over 10,000 ft), (2) 2,438 to 3,047 m (8,000 to 10,000 ft), (3) 1,524 to 2,437 m (5,000 to 8,000 ft), (4) 914 to 1,523 m (3,000 to 5,000 ft), and (5) under 914 m (under 3,000 ft). Only airports with usable runways are included in this listing. Not all airports have facilities for refueling, maintenance, or air traffic control. The type aircraft capable of operating from a runway of a given length is dependent upon a number of factors including elevation of the runway, runway gradient, average maximum daily temperature at the airport, engine types, flap settings, and take-off weight of the aircraft. Figures expressed per million people for the same year.
- Travel services > % of commercial service > Exports: Travel services (% of commercial service exports) covers goods and services acquired from an economy by travelers in that economy for their own use during visits of less than one year for business or personal purposes. Travel services include the goods and services consumed by travelers, such as lodging and meals and transport (within the economy visited).
- Airports > With paved runways > 1524 to 2437 m > Per $ GDP: Number of airports with paved runways (concrete or asphalt surfaces), categorised according to the length of the longest runway Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Airports > With paved runways > 1524 to 2437 m > Per capita: Number of airports with paved runways (concrete or asphalt surfaces), categorised according to the length of the longest runway Per capita figures expressed per 1 million population.
- Airports > With paved runways > Over 3047 m > Per capita: Number of airports with paved runways (concrete or asphalt surfaces), categorised according to the length of the longest runway Per capita figures expressed per 1 million population.
- Airports > With unpaved runways > Under 914 m: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway
- Airports > With unpaved runways > Total > Per capita: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces) Per capita figures expressed per 1 million population.
- Airports > With unpaved runways > 1524 to 2437 m > Per capita: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway Per capita figures expressed per 1 million population.
- Waterways > A note: The individual names of navigable rivers, canals, and other inland bodies of water.
- Air transport > Registered carrier departures worldwide > Per capita: Registered carrier departures worldwide are domestic takeoffs and takeoffs abroad of air carriers registered in the country. Per capita figures expressed per 1,000 population.
- Airports > With paved runways > 2438 to 3047 m > Per $ GDP: Number of airports with paved runways (concrete or asphalt surfaces), categorised according to the length of the longest runway Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Airports > With paved runways > Over 3047 m > Per $ GDP: Number of airports with paved runways (concrete or asphalt surfaces), categorised according to the length of the longest runway Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Airports > With unpaved runways > 914 to 1523 m > Per $ GDP: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Airports > With unpaved runways > Under 914 m > Per capita: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway Per capita figures expressed per 1 million population.
- Pipelines > Gas: Total length of gas pipelines
- Airports > With unpaved runways > Total > Per $ GDP: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces) Per $ GDP figures expressed per 1 trillion $ gross domestic product.
- Transport services > % of all service > Exports: Transport (% of service exports, BoP) covers all transport services (sea, air, land, internal waterway, space, and pipeline) performed by residents of one economy for those of another and involving the carriage of passengers, movement of goods (freight), rental of carriers with crew, and related support and auxiliary services. Excluded are freight insurance, which is included in insurance services; goods procured in ports by nonresident carriers and repairs of transport equipment, which are included in goods; repairs of railway facilities, harbors, and airfield facilities, which are included in construction services; and rental of carriers without crew, which is included in other services. Service exports refer to economic output of intangible commodities that may be produced, transferred, and consumed at the same time. International transactions in services are defined by the IMF's Balance of Payments Manual (1993), but definitions may nevertheless vary among reporting economies."
- Transport services > % of commercial service imports: Transport services (% of commercial service imports) covers all transport services (sea, air, land, internal waterway, space, and pipeline) performed by residents of one economy for those of another and involving the carriage of passengers, movement of goods (freight), rental of carriers with crew, and related support and auxiliary services. Excluded are freight insurance, which is included in insurance services; goods procured in ports by nonresident carriers and repairs of transport equipment, which are included in goods; repairs of railway facilities, harbors, and airfield facilities, which are included in construction services; and rental of carriers without crew, which is included in other services."
- Travel > % of all service > Exports: Travel (% of service exports, BoP) covers goods and services acquired from an economy by travelers for their own use during visits of less than one year in that economy for either business or personal purposes. Service exports refer to economic output of intangible commodities that may be produced, transferred, and consumed at the same time. International transactions in services are defined by the IMF's Balance of Payments Manual (1993), but definitions may nevertheless vary among reporting economies."
- Roads > Paved > % of total roads: Paved roads are those surfaced with crushed stone (macadam) and hydrocarbon binder or bituminized agents, with concrete, or with cobblestones, as a percentage of all the country's roads, measured in length."
- Road sector diesel fuel > Consumption > Kt of oil equivalent: Diesel is heavy oils used as a fuel for internal combustion in diesel engines.
SOURCES: International Civil Aviation Organisation, Civil Aviation Statistics of the World and ICAO staff estimates.; CIA World Factbooks 18 December 2003 to 28 March 2011; All CIA World Factbooks 18 December 2003 to 18 December 2008; International Road Federation, World Road Statistics and data files.; World Bank, Transportation, Water, and Urban Development Department, Transport Division.; Wikipedia: List of countries by vehicles per capita; International Road Federation, World Road Statistics and electronic files, except where noted.; CIA World Factbooks 2010, 2011, 2012, 2013; World Development Indicators database; CIA World Factbooks 2010, 2011, 2012, 2013. Population figures from World Bank: (1) United Nations Population Division. World Population Prospects, (2) United Nations Statistical Division. Population and Vital Statistics Report (various years), (3) Census reports and other statistical publications from national statistical offices, (4) Eurostat: Demographic Statistics, (5) Secretariat of the Pacific Community: Statistics and Demography Programme, and (6) U.S. Census Bureau: International Database.; International Road Federation, World Road Statistics and electronic files, except where noted, and International Energy Agency (IEA Statistics \xA9 OECD/IEA, http://www.iea.org/stats/index.asp).; German Agency for Technical Cooperation (GTZ).; CIA World Factbook, 22 August 2006; International Monetary Fund, Balance of Payments Statistics Yearbook and data files.; United Nations Conference on Trade and Development, Transport Newsletter, No. 43.; CIA World Factbook, December 2003; x
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